doi:10.15468/q4tnjj1989European bison in Białowieża Primary Forest[data administrator](+48) 85 6812348mn(at)bpn(dot)com(dot)pl[system administrator](+48) 22 5526537ptyk(at)biol(dot)uw(dot)edu(dot)pl[data administrator](+48) 22 5526531meron(at)biol(dot)uw(dot)edu(dot)plenThe dataset contains information about European bisons in the Białowieża Primary Forest from 1965 until 2004, collected by staff of the Białowieża National Park during winter counts which take place every year. A number of observations in consecutive years reflects abundance of European bisons noted in these years.This work is licensed under a Creative Commons Attribution Non Commercial (CC-BY-NC) 4.0 License.2016-12-10T02:59:54ZBiałowieża National Park: European bison in Białowieża Primary Forest